Heel-covering machine.



0. R. ANGELL.

HEEL COVERING MACHINE.

APPLICATION FILED FEB.1.1911. RENEwED DEC. 24.1911.

1,281,263. Patented 001;. 15, 1918.

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0. R. ANGELI..

v HEEL COVERING MACHINE.

`Apwucnlou FILED FEB. 1.1911. nENEwEn Dsc. 24. 19u.

Patented Oct. 15, 1918.

3 SHEETS-SHEET 2.

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`2 I HHH@ 0. R. ANGELL.

HEEL COVEHING MACHINE.

APPLICATION FILED FEB. I.' 19H. RENEWED DEC. 24. |91?. 1,281,263. Patented oct-.15, 1918.

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cris E. ANGELI., 0E HAVEEHILL, MASSACHUSETTS, Assienon To THE HAMEL SHOE MACHINERY coMrAnY, A CORPORATION 0E MASSACHUSETTS.

HEEL-COVEBING MACHINE.

Specification of Letters Patent.

Patented Oct. 15, 1918.

Application led February 1, 1917, Serial No. 145,947. Renewed pecember 24, 1917. Serial No. 2Q8, 697.

To all fui/wm t may concern Be it known that I, Oris R. ANGELL, a citizen of the United States, residing at Haverhill, in the county of Essex and State of Massachusetts, have invented certain new and useful Improvements in Heel-Covering Machines; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to that class of machines which apply sheet material to the ex.- posed surfaces of the shoe heel for covering the same, the machine herein disclosed being particularly adapted for securing sheet cellluloid or like substances to the side and' rear surfaces of a Wood heel, and the object is'to provide a machine of this class which may be simply and inexpensively manufactured and marketed, yet which will be highly efficient and durable.

With the foregoing general obj ectin view, the invention resides in certain novel features of construction and in improved and desirable combinations of parts to be hereinf after more fully described and claimed, the descriptive Vmatter being supplemented by the accompanying drawings which constitute a part of this application and'in which.:

Figure 1 is a side elevation of the improved machine;

Fig. 2 is a longitudinal section with parts in elevation; y

Figs. 3 and 4 are vertical transverse sections on the lines 3 3 and 4-4 of 1; and

Fig. 5 is a perspective view of the former which shapes the heel covering tothe heel.

In the drawings above briefly described, the numeral 1 has reference to a suitable frame preferably supported by legs'2 from a bench 3, the Side bars of said frame constituting a pair of tracks upon which a carriage 4 is slidably supported. As shown in Fig. 4, the side bars of the frame 1 are provided with dovetail grooves 5, one of which is equipped with an inwardly adjustable bar 6, the two grooves 5 receiving a dovetail 8 on the lower side of the carriage 4. Set screws 9 are provided for forcing the bar v6 inwardly to the required extent for taking up wear and preventing side motion of the carriage.

vRising from the carriage 4 is .a substantielly C-.Shaped erm 1 0 which isv by preference cast integrally therewith, the upper portion of said arm havinga vertical guide 11, while a horizontal guide boss 12 projects from the intermediate portion thereof in a direction parallel with the line of movement of the carriage. A vertical stem 13 is mounted slidably in the guide 11 and a clamping jaw 14 lis carried by the lower end of said stem, being preferably swiveled `thereto as Shown in Figs. 2 and 4. A .coiled spline' l5 is provided lfor normally raising the stem 13, a lever 16, however, being employed for forcing said stem downwardly when it is re` quired to engage the jaw 14 with the seat surface of a heel H, the swivel mounting of the jaw 14 permitting the engagingface thereof to adapt itself to the inclination of` such heel seat surface. A suitable spring pressed C109; 17 is employed for holding the lever 16 in operative position but as Asoon as this dog is released the spring 15 comes into play to return the parts to their normal positions.l Swiveled on the carriage 4 in approximately vertical alinement with the aw 14 is another jaw 18 for contact with the tread surface of the heel, while a thrust plate 19 is swiveled to a stem 20 projecting into the boss -12 and adjustably secured in place by a set screw 21, said thrust plate being so shaped as to contact throughout its area with the curved breast surface of the heel as shown in Figs. 1 and 2.

The heel clamp just described coperates with a former 22 whose internal shape corresponds strictly with that of the side and rear surfaces of the heel to be covered, said former being open at its upper and lower ends and at its lfront side in order that the heel may move into it when the carriage 4 is shifted in the proper direction. A cable 28 is connected-at one end with the carriage for shifting it into the former 22, while another cable 24 having a weight 25 is provided for returning said carriage, cable 23 being connected with a foot pedal or the like not shown.y The former 22 consists of a fixed rear section 26 and a pair of wing sections 27 hinged at 28 to the front edges thereof, all of said sections being provided with jackets 29 to successively contain a heating and `a cooling medium. The upper and lower ends of the rear section 26 are provided with integral ears 30 secured by screws or the like 31 to the upper and lower ends of a C-shaped arm 32 which rises from the frame 1 at one end of the latter.

A steam or hot water supply pipe 33 and a cold water or air pipe 34 each. deliver into a four-way coupling 35 and are respectively provided with cut off valves 36 which are moved to opposite positions by a singleY 39 having a coil -40 to permit it to yield as the aforesaid wing moves outwardly and in-A wardly. A pipe 39 shown most 'clearly in Figs. 1 and 2, branches from pipe 39 and leads to the other wing 27, said pipe having a coil 40 acting in the same manner as 40.

An exhaust pipe 41 is provided with twol branches 42 and 43 vwhich lead respectivelyr` to the fixed section 26 of the former 22r and to one of the wings 27 thereof, the branch 43 being coiled at 44 to permit it to yield as the wing in question moves linwardly or outwardly. A branch 43k having a coil 44* leads from the branch 43 to the other wing 27.

By the arrangement of piping above described, a heating medium may be injected into the ackets 29 by moving thel link 27 in one direction, whereas movement of said link in the other direction will cut off the supply of the steam or the like and will inject cold water or air into the jackets to cool them, this being necessary for reasons to' behereinafter fully described.

It is necessary to swi wardly in order that the heel H may be moved into the'former 22, and these wings must be again returned to their normal positions after the heel is properly received lin said former. For accomplishing the above results two upright levers 45 are fulcrumed between their ends at 46 to the frame 1, the

upper ends of said levers beingpivotally andl slidably connected with the wings 27 as indicated at 47 while the lower ends of said levers are provided with adjustable shoes 48 shown in Fig. 3, said shoes contacting with a cam 49 rotatable on a shaft 50 and having a crank arm 51 by means of which it may be turned when required tc spread the lower ends of the levers 45 for the purpose of bringing the upper ends thereof together to move the wings 27 inwardly. When the cam is shifted in the other direction by the coiled spring 51', a coiledspring 52 which connects the lower ends of the levers 45, and other coiled springs 53 connecting the upper ends of said levers with the wings, coact with said levers to move the wings 27 outwardly.

ng the wings 27 out-i The entire former is provided with a lining 54 of vulcanized rubber so that regardless of the joint necessary where the hinge connections 28 occur, the interior of the device will be smooth and will not therefore affect the quality of the work. The upper, lower and front edges' of the lining` 54 are provided with inwardly extending flanges 55 whichl serve to turn the upper, lower and front edges of the heel covering C over onto the heel H when the latter is forced into the former 22. (See Fig. 2).

In operation, the heel His positioned in the heel clampas shown in Fig. 1, the lever 16 is then operated to force the aw 14 downwardly onto the heel to clamp it against the jawV 18, and thethrust plate 19 is adjusted so that Lit comes in contact with the front side of the heel. These preliminaries having beencarriedout, the .heel isvcoated with glue or any other suitable cement which becomes viscous or adhesive when heated, and the sheet of material to be-used as the covering is then stood on edge upon the frame 1 so that it rests against the former 22 as. shownin dotted linesV in Fig. 1. Cable 23'is now-operated to shift the carriage 4 so as to move the heel H into contact with the cov-V ering C and then into the former 22 in which the covering is shaped to the heel, the upper and lower edges thereof being turned inwardly by the lianges 55 at the upper andVv lower edges of the lining 54. It is of course understood that during this movement of thel heel into theformer 22 the wings 27 vshall havel been .swung .outwardly but they are now shifted inwardly to their operative positions by operating the lever 51 so as to turn the cam 49 in the. required direction. Either before -or aftery moving the heel into the former, the heating medium is lallowed to enter the jackets 29 so that the cement or glue with whichthe .heel has been coated is heated and thus the covering is effectivelyv cemented to said heel. Thisoperation having `been performed, the steam or the like is, cut off and cold water or any other suitable cooling means is admitted into the jackets to cool the glue or cement to cause it to quicklyfharden and retain theheel covering in proper place. 1

The improved machine will operate to equal advantage for applying any kind of. covering to the heelrbut if Celluloid or other comparatively stiff material is te be employed for this purpose, it iswell to soften the same by superheated steam or by immer-y sion in ether, or alcohol.

It will also be evident that the former is easily removed from the frame by the removal of a few bolts and pipe connections Y so thatformers of various sizes and shapes as desired may be interchangeably mounted for use with the same clamp.

From the foregoing, taken in connection with the accompanying drawings, it will be seen that although the invention is of comparatively simple and inexpensive nature, it will be highly eiicient and durable. For these reasons, the construction shown constitutes the preferred form of the machine, but it is to be understood that within the scope of the invention as claimed, numerous changes may be made without sacrificing the principal advantages. Moreover the machine need not be used identically as described since if required it could be immersed in hot water or the like to heat the cement on the heel instead of employing the jackets 29.

I claim:

l. A heel covering machine comprising a former to receive a heel to be covered, and a clamp for holding said heel, said former and clamp being movable relatively, said clamp comprising relatively fixed and movable jaws for contact with the upper and lower surfaces of the heel, and a thrust device for contact with the front side of said heel.

2. A heel covering machine comprising a former to receive the heel to be covered, a track leading to said former, a carriage slidable along said track and a clamp thereon adapted to hold the heel to be covered and movable into said former, said clamp vcomprising an arm rising from said carriage, relatively fixed and movable heelclamping jaws carried by said carriage and arm for contact with the lower and upper surfaces of the heel, and a. thrust plate carried by said arm for contact with the front side of said heel.

3. A heel covering machine comprising a former shaped internally to conform to a heel, said former being open at its upper and lower ends and at its front to receive the heel to be covered, and the sides of said former having outwardly swinging wings, said wings and the remainder of the former having a jacket to contain a heating fluid, means for forcing said wings inwardly toward the heel and piping for supplying the jackets with the heating medium, said piping including a pair of pipes extending to the two wings and having coils adapted to yield when said wings are moved inwardly and outwardly.

at. A heel covering machine comprising a base, an arm rising rigidly therefrom, a former shaped to conformto the shape of a heel, upper and lower laterally extending lugs formed integrally with said former and secured to the upper and lower ends of said arm, and means for moving the heel to be covered into said former.

5. A heel covering machine having a former permanently shaped internally to conform to the sides and back of a heel, said former being open at its upper and lower ends and at its front to receive the heel to be covered, and flanges projecting inwardly from the edges of said former to shape the covering around the edges of the heel.

AG. A heel covering machine having a former shaped internally to conform to the sides and back of a heel, said former being open at it-s upper and lower ends and at its front to receive the heel to be covered, and having a pair of hingedly mounted side wings attached to swing outwardly and inwardly, a flexible lining in the former extending over the hinge lines of said wings, and inwardly extending flanges on the edges of said lining for turning the edges of the heel covering inwardly aro-und the heel.

7. A heel covering machine comprising, in combination, a mold shaped internally to conform to the sides and rear portion of a heel to be covered, said mold having at least one open side, and a flange-like member constructed and arranged to project inwardly from the edge of said open side for turning in the edge of the covering material.

8. In a machine for covering wood heels with celluloid or the like, in combination, a supporting frame, a carriage, a heel clamp mounted thereon, a hollow mold so constructed as to conform to the surface of a heel to be covered, and means for interchangeably mounting said mold upon the frame whereby to permit of the employment of molds of various sizes and shapes.

9. In a wood heel covering machine, a frame, a mold mounted thereon and shaped internally to conform to the surface of a heel to be covered and having its forward side portions mounted for relative inward and outward movement, mechanism for moving said portions comprising a pair of oppositely disposed levers fulcrumed upon .the frame, means for pivotally connecting one end of each of said levers to the respective movable side portions of the mold, a double cam adapted to move the free ends of the levers in opposite directions, means to return the levers to initial position and means for actuating said cam.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

OTIS R. ANGELL. Witnesses:

Josrn P. LIPPRELLE, MARION E. ZINK.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

